Ron Dennis's memories of Ayrton Senna

Ron Dennis and Ayrton Senna's Formula 1 careers became irrevocably entwined as the legendary Brazilian won his three titles with McLaren. In this feature from the Autosport archive, Dennis gives his personal take on an extraordinary driver and some incredible times

In the build-up to the 25th anniversary of Ayrton Senna's death, we're paying tribute to his achievements and reassessing his career with new articles and classic material from the Autosport archive.

Five years ago, as Formula 1 marked 20 years without Senna, Jonathan Noble heard Ron Dennis's personal stories of working with the man who defined his time at the head of McLaren more than anyone else.